43334320145 has 12 divisors (see below), whose sum is σ = 53732759220. Its totient is φ = 33549147360.

The previous prime is 43334320123. The next prime is 43334320181. The reversal of 43334320145 is 54102343334.

It can be written as a sum of positive squares in 2 ways, for example, as 4413343489 + 38920976656 = 66433^2 + 197284^2 .

It is not a de Polignac number, because 43334320145 - 2¹⁰ = 43334319121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4504490 + ... + 4514099.

It is an arithmetic number, because the mean of its divisors is an integer number (4477729935).

Almost surely, 2^43334320145 is an apocalyptic number.

It is an amenable number.

43334320145 is a deficient number, since it is larger than the sum of its proper divisors (10398439075).

43334320145 is an equidigital number, since it uses as much as digits as its factorization.

43334320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018656 (or 9018625 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 43334320145 its reverse (54102343334), we get a palindrome (97436663479).

The spelling of 43334320145 in words is "forty-three billion, three hundred thirty-four million, three hundred twenty thousand, one hundred forty-five".